:root{color-scheme:dark;font-family:Inter,Noto Sans JP,Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif;letter-spacing:0}*{box-sizing:border-box}html{background:#0d1319;overflow:hidden;overscroll-behavior:none}.game-body{min-width:320px;min-height:100svh;margin:0;overflow:hidden;overscroll-behavior:none;background:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),#0d1319;background-size:28px 28px;color:#f5f8fa}.game-body button,.game-body a{font:inherit}.game-page{width:min(100%,520px);height:100svh;margin:0 auto;padding:env(safe-area-inset-top) 14px max(10px,env(safe-area-inset-bottom));overflow:hidden;display:flex;flex-direction:column}.game-page__nav{flex:0 0 auto;min-height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;color:#aab6be;font-size:11px;font-weight:900}.game-page__nav a{min-height:44px;display:inline-flex;align-items:center;gap:7px;color:#f5f8fa;text-decoration:none}.game-page__nav a span{font-size:26px;line-height:1}.game-page__nav strong{color:#fff;font-size:12px}.game-page__nav>span{text-align:right}.game-page__nav .game-language{justify-self:end}.game-language{min-height:36px;display:inline-flex;align-items:center;padding:3px;border:1px solid #35444f;border-radius:5px;background:#0c161ebd}.game-language button{min-width:38px;min-height:28px;padding:0 8px;border:0;border-radius:3px;background:transparent;color:#83939d;font-size:9px;font-weight:900;cursor:pointer}.game-language button[aria-pressed=true]{background:#f3f7f8;color:#10252c}.gate-game{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;overflow:hidden;border:1px solid #2a3742;border-radius:8px;background:#111820;box-shadow:0 26px 70px #00000061}.gate-game__hud{height:50px;padding:0 14px;display:grid;grid-template-columns:54px 1fr 54px;align-items:center;gap:12px;background:#121b23}.gate-game__stage-open,.gate-game__hud>div:last-child{display:grid}.gate-game__stage-open{min-width:44px;min-height:44px;padding:0;border:0;background:transparent;text-align:left;cursor:pointer}.gate-game__hud>div:last-child{text-align:right}.gate-game__hud span{color:#80909b;font-size:8px;font-weight:900}.gate-game__hud strong{color:#fff;font-size:15px}.gate-game__progress{height:5px;overflow:hidden;border-radius:3px;background:#293641}.gate-game__progress i{width:0;height:100%;display:block;border-radius:inherit;background:linear-gradient(90deg,#35b9ff,#ffe14f,#ff566d);transition:width .12s linear}.gate-game__viewport{width:100%;flex:1 1 auto;min-height:0;position:relative;overflow:hidden;background:#72d4ef}.gate-game canvas{width:100%;height:100%;display:block;touch-action:none}.gate-game__start,.gate-game__result,.gate-game__stage-picker{position:absolute;inset:0;padding:46px 28px 38px;display:flex;align-items:center;flex-direction:column;justify-content:flex-end;text-align:center;background:linear-gradient(180deg,#07141d0a 18%,#07141d6b 54%,#07141df0)}.gate-game__start[hidden],.gate-game__result[hidden],.gate-game__stage-picker[hidden]{display:none}.gate-game__kicker,.gate-game__result-label{margin:0 0 9px;color:#ffe14f;font-size:10px;font-weight:900}.gate-game__start h1{margin:0;color:#fff;font-size:clamp(55px,17vw,82px);line-height:.78;font-weight:1000;text-shadow:0 4px 0 #0e405c,0 12px 30px rgba(0,0,0,.35)}.gate-game__start>p:not(.gate-game__kicker,.gate-game__control){max-width:300px;margin:24px 0 20px;color:#eef7fb;font-size:13px;line-height:1.7;font-weight:700}.gate-game__primary{width:min(100%,280px);min-height:54px;border:0;border-radius:5px;display:inline-flex;align-items:center;justify-content:center;gap:10px;background:#ffe14f;box-shadow:0 5px #c48c18;color:#101820;font-size:15px;font-weight:1000;cursor:pointer}.gate-game__primary:active{transform:translateY(3px);box-shadow:0 2px #c48c18}.gate-game__control{margin:16px 0 0;color:#a9bdc8;font-size:10px;font-weight:800}.gate-game__message{position:absolute;top:23%;left:50%;z-index:3;transform:translate(-50%,12px) scale(.8);opacity:0;color:#fff;font-size:48px;font-weight:1000;text-shadow:0 4px 0 #173246,0 8px 24px rgba(0,0,0,.28);pointer-events:none}.gate-game__message.is-visible{animation:gate-message .65s ease both}.gate-game__result{z-index:4;justify-content:center;background:#0a141cdb;backdrop-filter:blur(8px)}.gate-game__result h2{margin:0 0 26px;color:#fff;font-size:48px}.gate-game__result dl{width:min(100%,280px);margin:0 0 28px;display:grid;grid-template-columns:1fr 1fr;border-block:1px solid rgba(255,255,255,.18)}.gate-game__result dl div{padding:18px 8px}.gate-game__result dl div+div{border-left:1px solid rgba(255,255,255,.18)}.gate-game__result dt{color:#9bacb7;font-size:10px}.gate-game__result dd{margin:5px 0 0;color:#fff;font-size:25px;font-weight:1000}.gate-game__secondary{min-height:44px;margin-top:16px;padding:0 18px;border:0;background:transparent;color:#dce8ee;font-size:12px;font-weight:900;cursor:pointer}.gate-game__stage-picker{z-index:6;padding:24px 20px max(24px,env(safe-area-inset-bottom));display:block;overflow-y:auto;background:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),#101922;background-size:100% 32px;text-align:left}.gate-game__stage-picker header{display:flex;align-items:center;justify-content:space-between}.gate-game__stage-picker header p{margin:0 0 4px;color:#35b9ff;font-size:9px;font-weight:900}.gate-game__stage-picker h2{margin:0;color:#fff;font-size:27px}.gate-game__stage-picker header button{width:44px;height:44px;border:1px solid #40515d;border-radius:5px;background:#17232d;color:#fff;font-size:25px;cursor:pointer}.gate-game__stage-progress{margin:18px 0 12px;color:#9cafba;font-size:11px;font-weight:800}.gate-game__stage-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.gate-game__stage-grid button{aspect-ratio:1;min-width:0;border:1px solid #3b4b57;border-radius:5px;background:#18242e;color:#dce8ee;font-size:13px;font-weight:1000;cursor:pointer}.gate-game__stage-grid button.is-complete{border-color:#2fa8d8;background:#173548;color:#fff}.gate-game__stage-grid button.is-current{outline:2px solid #ffe14f;outline-offset:1px;color:#ffe14f}.gate-game__stage-grid button:disabled{border-color:#28343d;background:#131c23;color:#53616a;cursor:not-allowed}.gate-game__footer{height:50px;padding:0 12px 0 16px;display:flex;align-items:center;justify-content:space-between;color:#71818c;font-size:9px;font-weight:900}.gate-game__footer button{width:36px;height:36px;border:1px solid #35444f;border-radius:50%;background:transparent;color:#f5f8fa;cursor:pointer}.game-page__about{padding:72px 4px 0}.game-page__eyebrow{margin:0 0 12px;color:#35b9ff;font-size:10px;font-weight:900}.game-page__about h2{margin:0 0 24px;color:#fff;font-size:30px;line-height:1.35}.game-page__about>div{padding-left:18px;border-left:2px solid #ff566d}.game-page__about p:not(.game-page__eyebrow){margin:0 0 16px;color:#a6b3bc;font-size:13px;line-height:1.9}@keyframes gate-message{0%{opacity:0;transform:translate(-50%,18px) scale(.72)}28%{opacity:1;transform:translate(-50%) scale(1.1)}to{opacity:0;transform:translate(-50%,-24px) scale(1)}}@media(min-width:700px){.game-page{padding-top:18px}}@media(max-width:520px){.game-page{padding-right:0;padding-left:0}.game-page__nav{min-height:50px;padding:0 14px}.gate-game{border-right:0;border-left:0;border-radius:0;box-shadow:0 18px 48px #00000052}.gate-game__hud,.gate-game__footer{height:46px}.gate-game__start,.gate-game__result{padding:30px 22px 28px}.gate-game__start h1{font-size:clamp(50px,17vw,70px)}.gate-game__start>p:not(.gate-game__kicker,.gate-game__control){margin:18px 0 16px;font-size:12px}.gate-game__control{margin-top:13px}.gate-game__result h2{margin-bottom:20px;font-size:42px}.gate-game__result dl{margin-bottom:22px}.game-page__about{padding:58px 18px 0}}@media(max-height:680px)and (max-width:520px){.gate-game__start{padding-bottom:20px}.gate-game__start h1{font-size:50px}.gate-game__start>p:not(.gate-game__kicker,.gate-game__control){max-width:270px;margin:13px 0;line-height:1.55}.gate-game__primary{min-height:48px}.gate-game__control{margin-top:10px}}@media(prefers-reduced-motion:reduce){.gate-game__message.is-visible{animation-duration:1ms}}